Bath tub



FIG. 1 is a front, right and top perspective view of a bath tub, showingmy design.

FIG. 2 is a rear, left and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof.

FIG. 9 is another front, right and top perspective view of the bath tubin a usable state.

FIG. 10 is an enlarged view of detail 10 in FIG. 2 ; and,

FIG. 11 is an enlarged view of detail 11 in FIG. 2 .

The broken lines depict portions of the bath tub that form no part ofthe claimed design.

The dot-dash broken lines in FIGS. 2, 10 and 11 depict the boundaries ofthe enlargements that form no part of the claimed design.

CLAIM The ornamental design for a bath tub, as shown and described.